The American redfish is a saltwater fish.
The American redfish is also known as the eye-spotted rockfish, red rockfish, red drum, black spotted red bass, spotted tail bass, etc. It belongs to the order Perciformes, family Rockfish, genus Rockfish. The body is in the shape of a humorous spindle, similar in appearance to the domestic yellow croaker, the body color of the adult fish above the abdomen is slightly reddish, and there are 1-4 round black spots above the base of the caudal peduncle of the juvenile fish, and the edge of the caudal fin is blue.
The U.S. redfish is an important fish species in the U.S. Great American redfish along the western coast and the Gulf of Mexico, belonging to the wide temperature and wide salt anadromous fish, similar in appearance to the large yellowtail, yellow goby, white goby, the difference is that it is slightly reddish in color, and there is a black spot on the upper part of the base of the caudal peduncle. This fish is delicious, and has become an important species of culture in the United States.
Expanded information;
One of the U.S. redfish culture
1, the U.S. redfish breeding pond conditions and requirements, into the area of the fish pond is generally 5 to 10 acres, the best 3 to 5 acres, the depth of water in 1.5 to 2.5m is suitable, the best soil is a sandy loam, dissolved oxygen shall not be less than 6.5mg / l, ammonia concentration ≤ 0.3mg / l. The water depth of 1.5 to 2.5m is suitable, the soil is best sandy loam, dissolved oxygen shall not be less than 6.5mg / l, ammonia Concentration of ≤ 0.3mg / l, PH value of 7.5 ~ 8.5.
2, the preparation of stocking, according to the general specifications of mariculture shrimp ponds for refurbishment and disinfection, filling of new water in the release of 7 ~ 10 days before the seedling should be fertilized to cultivate the quality of the water, the early release of water is generally 70 ~ 80cm in order to raise the temperature of the water more quickly.
3, fish stocking specifications and density, general specifications for the tail weight of 1.9 ~ 4.3 g. Stocking density of 1500 tails / mu.
4, adult management, frequent visits to the pond to strictly control the water quality, found that the problem of timely measures; control the amount of daily feeding, generally 2-5% of the weight of the fish feeding. Generally feeding 2 times a day,
Reference source; Baidu Encyclopedia - American redfish